Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
40 Cards in this Set
- Front
- Back
|
function of facial muscles |
- speech production, facial expression, chewing, eating from a utensil, preventing drooling, sucking from a straw |
|
|
function of jaw muscles |
- speech production, chewing, and biting |
|
|
functions of the tongue muscles |
- speech production, chewing & swallowing, taste sensation |
|
|
orbicularis oris muscle |
- facial muscle - origin: corner of mouth - insertion: other corner of mouth - innervated: CN 7 - function: compress, protrude, round lips |
|
|
risorius muscle |
- facial muscle - origin: posterior face & masseter - insertion: corner of mouth - innervated: CN 7 - function: retract lips, smile |
|
|
zygomatic (major & minor) |
- facial muscle - origin: zygomatic bone - insertion: corner of mouth/upper lip - innervated: CN 7 - function: retract lips, smile |
|
|
levator labii superioris |
- facial muscle - origin: infraorbital maxilla - insertion: upper lip - innervated: CN 7 - function: elevate lip |
|
|
levator labii superioris alaeque nasi |
- facial muscle - origin: frontal process of maxilla - insertion: upper lip - innervated: cn 7 - function: elevate lip |
|
|
levator anguli oris |
- facial muscle - origin: infraorbital maxilla (deep to superioris) - insertion: corner of mouth - innervated: cn 7 - function: elevate upper lip |
|
|
depressor labii inferioris |
- facial muscle - origin: mandible - insertion: bottom lip - innervated: cn 7 - function: depress lower lip |
|
|
depressor anguli oris |
- facial muscle - origin: mandible - insertion: corner of mouth/upper lip - innervated: CN 7 - function: depress lower lip |
|
|
mentalis muslce |
- facial muscle - origin: mandible - insertion: skin of chin - innervated: CN 7 - function: pout, wrinkle chin, protrude lower lip |
|
|
buccinator |
- facial muscle - origin: processes of mandible & maxilla - insertion: corners of mouth - innervated: cn 7 - function: compress cheeks |
|
|
temporalis |
- jaw muscle - origin: temporal bone - insertion: coronoid process of mandible - innervated: CN 5 - function: elevate jaw, close mouth |
|
|
masseter |
- jaw muscle - origin: zygomatic arch - insertion: angle and ramus of mandible - innervated: CN 5 - function: elevate jaw, close mouth |
|
|
medial pterygoid |
- jaw muscle - origin: medial surface of lateral pterygoid plate - insertion: medial surface of angle of mandible - innervated: CN 5 - function: elevate jaw, close mouth |
|
|
lateral pterygoid |
- jaw muscle - origin: lateral surface of lateral pterygoid plate - insertion: condylar process of mandible - innervated CN 5 - function: protrude jaw (move to front), lateralize jaw (side to side) |
|
|
anterior belly of digastric |
- jaw muscle - origin: symphysis of mandible - insertion: hyoid bone - innervated CN 5 - function: depress jaw (open mouth) |
|
|
mylohyoid |
- jaw muscle - origin: mandible - insertion: mylohyoid groove of mandible - innervated CN 5 - function: depress jaw (open mouth) |
|
|
geniohyoid |
- jaw muscle - origin: mandible - insertion: hyoid bone - innervated: CN 12 - function: depress jaw (open mouth) |
|
|
superior longitudinal mm |
- intrinsic muscle of the tongue - runs back to front - function: elevate tongue tip, pull tongue to sides, retract tongue |
|
|
inferior longitudinal mm |
- intrinsic muscle of the tongue - runs back to front - function: depress tongue tip, pull tongue to sides, retract tongue - CN 12 |
|
|
transverse muscles |
- intrinsic muscle of the tongue - runs midline to lateral edges - function: narrows tongue - CN 12 |
|
|
vertical muscles |
- intrinsic muscle of the tongue - runs interior to superior surface of tongue - function: flatten tongue, pull tongue downward |
|
|
genioglossus |
- extrinsic muscle of the tongue - origin: mandible - insertion: all along tongue at midline (fan-like) - action: protrude tongue out and depress tongue in - CN 12 |
|
|
hyoglossus |
- extrinsic muscle of the tongue - origin: greater horns of hyoid bone - insertion: sides of tongue - action: pull sides of tongue down & back - CN 12 |
|
|
styloglossus |
- extrinsic muscle of tongue - origin: styloid process of temporal bone - insertion: sides of tongue - action: retracts tongue back & up - CN 12 |
|
|
function of velum muscles |
- to raise and lower for oral and nasal sounds |
|
|
levator veli palatini |
- velum muscle - makes up bulk of velum - origin: temporal bone near styloid process - insertion: midline of velum - action: pulls velum up and back - CN 10, pharyngeal branch |
|
|
musculus uvulae muscle |
- velum muscle - origin: posterior nasal spine - insertion: uvula - action: shortens velum & uvula - CN 10 pharyngeal |
|
|
palatoglossus |
- anterior faucial pillar - velum muscle - origin: back of velum, front part - insertion: sides of tongue - CN 10, pharnyngeal branch - action: depresses velum, raises tongue |
|
|
palatopharyngeus |
- posterior faucial pillar - velum muscle - origin: back of velum, back part - insertion: thryoid cartilage - action: depresses velum, narrows pharynx - CN 10, pharyngeal branch |
|
|
tensor veli palatini |
- velum muscle - origin: sphenoid bone - insertion: midline of velum - action: opens eustachian tube - CN 5 |
|
|
function of pharynx muscles |
widen/close for speech & swallowing |
|
|
superior pharyngeal constrictor |
- pharynx muscle - origin: pterygomandibular ligament - insertion: middle of posterior pharynx - action: narrows nasopharynx (close passavant's pad) - CN 10, pharyngeal branch |
|
|
middle pharyngeal constrictor |
- pharynx muscle - origin: hyoid bone - insertion: middle of posterior pharynx - action: narrows oropharynx - CN 10 pharyngeal branch |
|
|
inferior pharyngeal constrictor |
- pharynx muscle - origin: sides of thryoid muscle - insertion: middle of posterior pharnyx - action: narrows hypopharynx - CN 10 pharyngeal branch |
|
|
cricopharyngeus |
- pharynx muscle - origin: sides of cricoid cartilage - insertion: middle of posterior pharynx (top of esophagus) - action: constrict upper esophageal opening - CN 10 pharyngeal |
|
|
salpingopharyngeus |
- pharynx muscle - origin: eustachian tube - insertion: palatopharyngeus m. & lateral pharyngeal walls - action: raise & dilate pharynx - CN 10 pharyngeal branch |
|
|
stylopharyngeus |
- pharynx muscle - origin: styloid process of temporal bone - insertion: lateral pharyngeal walls & thyroid cartilage - action: raise & dilate pharynx - CN 9 (glossopharyngeal) |
